Motorcycle muffler



FIG. 1 is a top rear perspective view of a motorcycle muffler incorporating a design according to the invention.

FIG. 2 is a top view of the motorcycle muffler of FIG. 1.

FIG. 3 is a right side view of the motorcycle muffler of FIG. 1, the left side view being a mirror image thereof.

FIG. 4 is a front end view of the motorcycle muffler of FIG. 1; and,

FIG. 5 is a rear end view of the motorcycle muffler of FIG. 1. 

The ornamental design for a motorcycle muffler, as shown and described. 